3 Months Ago, Jason Chen from Gizmodo says (in Unibody Apple MacBook Review) What's also interesting, according to the teardown, is that the battery is only 60 watt-hours vs. 55 on the old one, yet it gets a lot more battery life. This is probably due to internal optimizations that Apple made, not just because there's a fatter battery.

15 Months Ago, Jason Chen from Gizmodo says (in MacBook Air 2nd Gen Review) Battery: In regular blogging use (Wi-Fi on, screen 3/4 brightness, music on, lots of web browsing and webapps), we got a respectable 2.5 hours with the Air. That's about what we got with the MacBook and MacBook Pro when they were playing back movies, something that's more taxing on the syste...

17 Months Ago, Mark Wilson from Gizmodo says (in MacBook and MacBook Pro Dual Review) As for battery life, we tested the laptops under identical operation settings playing back an H.264 movie and then a DVD movie. (Screens were set to medium brightness, Wi-Fi on and keyboard backlighting on low.)
So Who Needs The MacBook Pro over the Macbook?